Demographic and clinical characteristics of study patients
| Variable | All (N=66) |
| Age, years | 77±8 (78) |
| Male | 38 (58) |
| Caucasian | 61 (92) |
| Hypertension | 60 (91) |
| Diabetes | 28 (42) |
| Dyslipidaemia | 54 (82) |
| NYHA 3–4 | 47 (71) |
| Cerebrovascular disease | 4 (6) |
| Prior PCI | 22 (33) |
| Prior CABG | 15 (23) |
| Prior MI | 13 (20) |
| Prior cardiac surgery | 18 (27) |
| CKD | 27 (41) |
| Anaemia | 28 (42) |
| PAD | 17 (26) |
| Carotid disease | 8 (12) |
| Asymptomatic | 4 (6) |
| eGFR | 52±13 (60) |
Summaries shown as counts (%) for categorical variables and mean±SD (median) for continuous variables.
CABG, coronary artery bypass grafting; CKD, chronic kidney disease; eGFR, estimated glomerular filtration rate; MI, myocardial infarction; NYHA, New York Heart Association; PAD, peripheral artery disease; PCI, percutaneous coronary intervention.